Internists in Chester, PA

  • Internal medicine
  • Chester, Pennsylvania
Internists
40
Linked to a hospital or group
35
Hospitals with an internist
13
Medical groups with an internist
23
Practice at a hospital
27

There are 40 internists in Chester. Crozer Health Medical Group (CHMG) has the most, 19, and Lankenau Medical Center has the most affiliated internists, 9. 47% finished medical school 30 or more years ago.

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Chester internists, listed A to Z by last name

Each internist on the list has internal medicine as their primary specialty and a Chester practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Sort and filter all 40 Chester internists by hospital, medical group, the EHR they use and Medicare volume in Dmand AI.

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Chester internists, A to Z
InternistHospitalsMedical groupsEmail and phone
Emre N. Beken, MDNPI 10939542241 hospital6 groupsContacts
Joanne T. Connaughton, MDNPI 1093791444-1 groupContacts
Stephen D. Conrad, MDNPI 14776436095 hospitals2 groupsContacts
Brian CopelandNPI 16595735251 hospital3 groupsContacts
Jeffrey T. Darnall, MDNPI 1487705430-2 groupsContacts
Brian G. Friedrich, DONPI 19524557013 hospitals-Contacts
Kimberly A. Gerstadt, MDNPI 1306870753-1 groupContacts
George Isajiw, MDNPI 18615091355 hospitals1 groupContacts
Raquibul Islam, MDNPI 11745770351 hospital1 groupContacts
Pooja Mahesh Jotwani, MBBSNPI 11740832731 hospital2 groupsContacts
Abhijit Kasinadhuni, MDNPI 1205284437-16 groupsContacts
Trishna KattelNPI 10530580401 hospital1 groupContacts
David Katz, MDNPI 1528138435--Contacts
Siddhanta K C, MDNPI 17500712391 hospital1 groupContacts
Pei Ann Kong, MDNPI 19129997983 hospitals2 groupsContacts
Namir B. Kosa, MDNPI 17200808491 hospital2 groupsContacts
Stephen Peter Lazar, DONPI 11345493301 hospital2 groupsContacts
Douglas B. Lieberman, MDNPI 19322891133 hospitals2 groupsContacts
Ryan Scott MacDougall, MDNPI 12757100971 hospital5 groupsContacts
Srikrishna Varun Malayala, MDNPI 13364583222 hospitals13 groupsContacts
Muhammad A. Mirza, MDNPI 1881677409-1 groupContacts
Rachel OdeyemiNPI 19820511321 hospital2 groupsContacts
Timothy Michael Patterson, DONPI 19021328715 hospitals2 groupsContacts
Gerald R. Phelan, MDNPI 1992744197--Contacts
Khalil A. Qaderdan, MDNPI 18315434793 hospitals3 groupsContacts
Julianna Cara Ricco, MDNPI 19326608754 hospitals2 groupsContacts
Nouran Sabbagh, MDNPI 17004055453 hospitals6 groupsContacts
Palak Shah, MDNPI 12651225761 hospital1 groupContacts
Sana Sultan Siddique, MDNPI 1558613679-2 groupsContacts
Edward R. Stankiewicz, MDNPI 19725040662 hospitals-Contacts
Christi Irene StubbsNPI 16792458801 hospital3 groupsContacts
Geeta M. Vaze, MDNPI 15583243431 hospital1 groupContacts
Shuang Wang, MDNPI 1447548052-1 groupContacts
Kelly WyattNPI 10337560441 hospital3 groupsContacts
Sin Kei Yeung, MDNPI 16697046072 hospitals3 groupsContacts
Alan H. Zweben, MDNPI 17100470221 hospital4 groupsContacts

The list shows the 36 internists with a public profile. The other 4 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

For health IT teams

Find Chester internists by the EHR they use

Dmand AI has the EHR for 34 of 40 Chester internists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Crozer Health Medical Group (CHMG) has the most internists in Chester, with 19

Main Line Health is second with 8, and Pocono Hospitalists third with 5. Counts are internists with a Pennsylvania address linked to each group.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Lankenau Medical Center has the most affiliated internists in Chester, with 9

Riddle Hospital is second with 9, and Bryn Mawr Hospital third with 8. Chester internists are affiliated with 13 hospitals in all.

Hospitals with the most internists in Chester
#HospitalHealth systemInternists
1Lankenau Medical CenterWynnewoodMain Line Health System9
2Riddle HospitalMediaMain Line Health System9
3Bryn Mawr HospitalBryn MawrMain Line Health System8
4Paoli HospitalPaoliMain Line Health System4
5Hospital of the University of PennsylvaniaPhiladelphiaUniversity of Pennsylvania3
6Chester County HospitalWest ChesterUniversity of Pennsylvania3
7Temple University HospitalPhiladelphiaTemple University2
8Mercy Fitzgerald HospitalDarbyTrinity Health2
9Holy Redeemer HospitalMeadowbrookRedeemer Health1
10Pottstown HospitalPottstownTower Health1

Top 10 of 13 Chester hospitals with an affiliated internist

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Each public profile names one place an internist practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Most Chester internists practice at a hospital: 27 of the 34 with a mapped site

22 also practice at a medical group site, and 12 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.

Chester internists by site of care

  1. Hospitals27
  2. Medical group practices22
  3. Home health agencies12
  4. Skilled nursing facilities9
  5. Hospices8

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

47% of Chester internists finished medical school 30 or more years ago

15 of the 32 Chester internists with a graduation year on file. 5 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago5
  2. 10 to 19 years ago6
  3. 20 to 29 years ago6
  4. 30 to 39 years ago4
  5. 40 or more years ago11

Source: Dmand AI Professional Profile Data

Every Chester internist profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Chester internist directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a Chester practice address.

FAQ

Frequently asked questions about internists in Chester

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many internists are in Chester?

40 internists have an active NPI, a Chester practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 35 of them are linked to a hospital or medical group.

Which Chester medical groups have the most internists?

Crozer Health Medical Group (CHMG), with 19, followed by Main Line Health with 8 and Pocono Hospitalists with 5.

Which Chester hospitals have the most internists?

Lankenau Medical Center, with 9 affiliated internists, followed by Riddle Hospital with 9 and Bryn Mawr Hospital with 8.

What share of Chester internists practice at a hospital?

27 of the 34 Chester internists with a mapped site of care, or 79%, have a current hospital affiliation.

What is the taxonomy code for internal medicine?

207R00000X is the NPPES taxonomy code for internal medicine. Sub-specialties with their own code are counted on their own lists.

Dmand AI

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Search 40 Chester internists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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